Forum Topics Started

Viewing 3 topics - 1 through 3 (of 3 total)
    • Cummins Marine Forum Topics
    • Warning Horn and low RPM – New Longblock

      This topic has 4 replies, has 3 voices, and was last updated bytod 4 years ago

      September 7, 2019 at 8:55 am Sbmar Forum – I had a new longblock installed on the Port engine in my 2005 Tiara (QSB 5.9 380) last November. There are two ongoing problems that the installer has been unable to resolve. 1 – The Port Engine won’t reach the governed WOT rpm of 3050. This engine shows 99% load at 3010 and stops there. The starboard engine moves right up to 3050 per design and shows 91% load. I just pulled the boat to check the port running…

      Started by: tod in: Cummins Marine Engines

      4 Replies
      September 16, 2019 at 4:19 am It seems like the two problems on my port engine have been resolved. 1 – WOT RPM – I had the boat hauled and the props checked. They both looked good but an actual scan showed the port propeller to need some significant work. Afterwards, the engine reaches 3050 rpm. The load is still about 4% higher than the starboard engine but I believe this variance is within spec. Seems to run great. 2 – Warning Horn – Cummins Nor…

      Last Post by: tod posted: 4 years ago

    • WOT Alarm on New Engine

      This topic has 16 replies, has 4 voices, and was last updated byTony Athens 5 years ago

      January 4, 2019 at 8:54 am Folks – I posted this on BoatDiesel and got some feedback but thought that the participants here might have some useful thoughts for me. I recently had a new (Cummins Reman) QSB 5.9 long block installed in my twin engine 2005 Tiara 3600 (long story). On the way home from the yard, I was following Sbmar break-in advice including occasional short periods of WOT. After a half hour of cruising, I got an ear piercing alarm when I took it up to …

      Started by: tod in: Cummins Marine Engines

      16 Replies
      January 8, 2019 at 7:41 am I’ll be in the shop 8-3 PM-ish Wed.. I see you like Vermillions! Probably one of the best 10 best word wide to eat. Although not that fun to catch.. Tony

      Last Post by: Tony Athens posted: 5 years ago

    • Very High Oil Consumption on QSB 5.9

      This topic has 7 replies, has 3 voices, and was last updated byTony Athens 6 years ago

      November 20, 2017 at 9:40 am Hi All – I am moving this topic here from boatdiesel.com because of minimal response there – I have very high oil consumption on one of my two engines on a 2005 Tiara Open cruiser. Here are some of the details: – Both engines have appx 980 hours. – Starboard engine uses appx 1 quart per 1,000 gallons of fuel. – Port engine uses appx 40 quarts per 1,000 gallons of fuel. – The high oil consumption has probably …

      Started by: tod in: Cummins Marine Engines

      7 Replies
      November 22, 2017 at 6:33 pm All is good!

      Last Post by: Tony Athens posted: 6 years ago

  •  

Viewing 3 topics - 1 through 3 (of 3 total)